DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 492
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 15 Serial Communication Interface (SCI, IrDA)
The BRR setting is found from the following equations.
Asynchronous mode:
Synchronous mode:
Where B: Bit rate (bits/s)
The bit rate error in asynchronous mode is found from the following equation:
Rev. 4.00 Sep 27, 2006 page 446 of 1130
REJ09B0327-0400
N: BRR setting for baud rate generator (0
n: Baud rate generator input clock (n = 0 to 3)
n
0
1
2
3
N =
N =
Error (%) =
: Operating frequency (MHz)
(See the table below for the relation between n and the clock.)
64
8
2
2
2n–1
Clock
2n–1
/4
/16
/64
(N + 1)
B
B
10
10
B
CKS1
0
0
1
1
6
6
– 1
– 1
10
64
6
SMR Setting
2
2n–1
CKS0
0
1
0
1
– 1
100
N 255)
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